fix(repl): remove unreachable return in ReadlinePrompt.Run

Task fe: The infinite for loop in Run() can only exit via return
(fmt.Errorf on readline error). The trailing 'return nil' was dead
code flagged by go vet. Removed.

1 files changed, 0 insertions, 2 deletions

diff --git a/internal/repl/repl.go b/internal/repl/repl.go
index 4f291a8..842abbf 100644
--- a/internal/repl/repl.go
+++ b/internal/repl/repl.go
@@ -153,8 +153,6 @@ func (p *ReadlinePrompt) Run() error {
 
 		p.executor(input)
 	}
-
-	return nil
 }
 
 // Close closes the prompt instance.